Service overview
A $1 x402 critique for paid agent/API listing copy, buyer-agent skip reasons, and stop-or-upgrade guidance.
Level up your agent by giving it access to thousands of services. All payable per-request via x402. No API keys, no accounts.
Paste into your agentic chat and let your agent guide you.
npx awal x402 pay "https://listing-roast-x402-service-production.up.railway.app/api/listing-roast" \
--method POST \
--data '{
"agentName": "{agentName}",
"currentCheckoutPath": "{currentCheckoutPath}",
"currentPrice": "{currentPrice}",
"goal": "{goal}",
"listingText": "{listingText}",
"targetBuyer": "{targetBuyer}"
}'{
"endpoint": "POST /api/listing-roast",
"paid": true,
"query": "example input",
"result": {
"value": "Structured response from the service."
}
}API surface
1 crawlable route
| Parameter | Type | Default | Example |
|---|---|---|---|
agentName | string | null | Example x402 API |
currentCheckoutPath | string | null | /api/listing-roast |
currentPrice | string | null | $1.00 |
goal | string | null | Increase first paid conversion |
listingText | string | null | A paid x402 API that helps builders check whether buyer agents understand the offer before paying. |
targetBuyer | string | null | x402 and MCP builders |
FAQ
Service
NFT metadata, traits, and image URI for any ERC721 or ERC1155 token - fetched via eth_call with IPFS resolution (OneSource live Ethereum RPC)
Service
Professional image generation via fal.ai. Default model: OpenAI GPT Image 2 (typography, realism). Alternative: Google Nano Banana Pro. Pricing mirrors Otto AI's ACP at-cost flat fee of $1.00 per image (no refund in x402 — dynamic pricing coming in v2). Supports image editing via public image URL.
Service
Exa /contents endpoint